| 1 | subroutine gethourlyOH(itime) |
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| 2 | ! i |
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| 3 | !***************************************************************************** |
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| 4 | ! * |
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| 5 | ! * |
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| 6 | ! Author: R.L. Thompson * |
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| 7 | ! * |
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| 8 | ! Nov 2014 * |
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| 9 | ! * |
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| 10 | ! * |
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| 11 | !***************************************************************************** |
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| 12 | ! Variables: * |
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| 13 | ! * |
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| 14 | !***************************************************************************** |
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| 15 | |
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| 16 | use oh_mod |
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| 17 | use par_mod |
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| 18 | use com_mod |
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| 19 | |
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| 20 | implicit none |
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| 21 | |
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| 22 | integer :: itime |
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| 23 | integer :: ix,jy,kz,m1,m2 |
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| 24 | integer :: ijx,jjy |
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| 25 | integer :: jjjjmmdd,hhmmss |
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| 26 | real :: sza,jrate,photo_O1D,zenithangle |
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| 27 | real(kind=dp) :: jul1,jul2 |
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| 28 | |
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| 29 | ! print*, 'itime: ',itime |
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| 30 | ! print*, 'memOHtime(1):',memOHtime(1) |
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| 31 | ! print*, 'memOHtime(2):',memOHtime(2) |
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| 32 | |
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| 33 | |
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| 34 | ! Check hourly OH field is available for the current time step |
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| 35 | !************************************************************** |
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| 36 | |
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| 37 | if ((ldirect*memOHtime(1).le.ldirect*itime).and. & |
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| 38 | (ldirect*memOHtime(2).gt.ldirect*itime)) then |
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| 39 | |
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| 40 | ! The right OH fields are already in memory -> don't do anything |
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| 41 | !**************************************************************** |
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| 42 | |
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| 43 | continue |
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| 44 | |
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| 45 | else if ((ldirect*memOHtime(2).le.ldirect*itime).and. & |
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| 46 | (memOHtime(2).ne.0.)) then |
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| 47 | |
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| 48 | ! Current time is after 2nd OH field |
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| 49 | !************************************ |
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| 50 | |
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| 51 | memOHtime(1)=memOHtime(2) |
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| 52 | memOHtime(2)=memOHtime(1)+ldirect*3600. |
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| 53 | OH_hourly(:,:,:,1)=OH_hourly(:,:,:,2) |
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| 54 | |
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| 55 | ! Compute new hourly value of OH |
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| 56 | !********************************************************** |
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| 57 | |
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| 58 | jul2=bdate+memOHtime(2)/86400._dp ! date for next hour |
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| 59 | call caldate(jul2,jjjjmmdd,hhmmss) |
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| 60 | m2=(jjjjmmdd-(jjjjmmdd/10000)*10000)/100 |
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| 61 | |
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| 62 | ! print*, 'jul2:',jul2 |
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| 63 | ! print*, 'm2:',m2 |
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| 64 | |
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| 65 | do kz=1,nzOH |
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| 66 | do jy=1,nyOH |
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| 67 | do ix=1,nxOH |
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| 68 | ijx=minloc(abs(lonjr-lonOH(ix)),dim=1,mask=abs(lonjr-lonOH(ix)).eq.minval(abs(lonjr-lonOH(ix)))) |
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| 69 | jjy=minloc(abs(latjr-latOH(jy)),dim=1,mask=abs(latjr-latOH(jy)).eq.minval(abs(latjr-latOH(jy)))) |
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| 70 | ! calculate solar zenith angle in degrees (sza) |
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| 71 | sza=zenithangle(latOH(jy),lonOH(ix),jul2) |
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| 72 | ! calculate J(O1D) (jrate) |
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| 73 | jrate=photo_O1D(sza) |
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| 74 | ! apply hourly correction to OH |
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| 75 | if(jrate_average(ijx,jjy,m2).gt.0.) then |
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| 76 | OH_hourly(ix,jy,kz,2)=OH_field(ix,jy,kz,m2)*jrate/jrate_average(ijx,jjy,m2) |
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| 77 | else |
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| 78 | OH_hourly(ix,jy,kz,2)=0. |
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| 79 | endif |
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| 80 | !! for testing !! |
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| 81 | ! if(jy.eq.36.and.ix.eq.36.and.kz.eq.1) then |
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| 82 | ! write(999,fmt='(F6.3)') jrate/jrate_average(ijx,jjy,m2) |
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| 83 | ! endif |
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| 84 | ! if(jy.eq.11.and.ix.eq.36.and.kz.eq.1) then |
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| 85 | ! write(998,fmt='(F6.3)') jrate/jrate_average(ijx,jjy,m2) |
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| 86 | ! endif |
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| 87 | end do |
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| 88 | end do |
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| 89 | end do |
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| 90 | |
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| 91 | else |
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| 92 | |
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| 93 | ! No OH fields in memory -> compute both hourly OH fields |
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| 94 | !********************************************************** |
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| 95 | |
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| 96 | jul1=bdate ! begin date of simulation (julian) |
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| 97 | call caldate(jul1,jjjjmmdd,hhmmss) |
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| 98 | m1=(jjjjmmdd-(jjjjmmdd/10000)*10000)/100 |
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| 99 | memOHtime(1)=0. |
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| 100 | |
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| 101 | jul2=bdate+ldirect*real(1./24.,kind=dp) ! date for next hour |
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| 102 | call caldate(jul2,jjjjmmdd,hhmmss) |
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| 103 | m2=(jjjjmmdd-(jjjjmmdd/10000)*10000)/100 |
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| 104 | memOHtime(2)=ldirect*3600. |
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| 105 | |
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| 106 | ! print*, 'jul1:',jul1 |
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| 107 | ! print*, 'jul2:',jul2 |
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| 108 | ! print*, 'm1,m2:',m1,m2 |
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| 109 | |
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| 110 | do kz=1,nzOH |
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| 111 | do jy=1,nyOH |
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| 112 | do ix=1,nxOH |
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| 113 | ijx=minloc(abs(lonjr-lonOH(ix)),dim=1,mask=abs(lonjr-lonOH(ix)).eq.minval(abs(lonjr-lonOH(ix)))) |
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| 114 | jjy=minloc(abs(latjr-latOH(jy)),dim=1,mask=abs(latjr-latOH(jy)).eq.minval(abs(latjr-latOH(jy)))) |
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| 115 | ! calculate solar zenith angle in degrees (sza), beginning |
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| 116 | sza=zenithangle(latOH(jy),lonOH(ix),jul1) |
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| 117 | ! calculate J(O1D) (jrate), beginning |
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| 118 | jrate=photo_O1D(sza) |
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| 119 | ! apply hourly correction to OH |
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| 120 | if(jrate_average(ijx,jjy,m1).gt.0.) then |
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| 121 | OH_hourly(ix,jy,kz,1)=OH_field(ix,jy,kz,m1)*jrate/jrate_average(ijx,jjy,m1) |
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| 122 | else |
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| 123 | OH_hourly(ix,jy,kz,1)=0. |
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| 124 | endif |
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| 125 | ! calculate solar zenith angle in degrees (sza), after 1-hour |
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| 126 | sza=zenithangle(latOH(jy),lonOH(ix),jul2) |
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| 127 | ! calculate J(O1D) (jrate), after 1-hour |
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| 128 | jrate=photo_O1D(sza) |
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| 129 | ! apply hourly correction to OH |
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| 130 | if(jrate_average(ijx,jjy,m2).gt.0.) then |
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| 131 | OH_hourly(ix,jy,kz,2)=OH_field(ix,jy,kz,m2)*jrate/jrate_average(ijx,jjy,m2) |
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| 132 | else |
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| 133 | OH_hourly(ix,jy,kz,2)=0. |
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| 134 | endif |
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| 135 | end do |
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| 136 | end do |
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| 137 | end do |
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| 138 | |
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| 139 | endif |
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| 140 | |
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| 141 | end subroutine gethourlyOH |
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| 142 | |
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